package com.demo.rigistry.filter.myfilter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

@WebFilter(urlPatterns = "/*", filterName = "LoginFilter")
public class LoginFilter implements Filter {

	@Override
	public void destroy() {
		System.out.println("LoginFilter destroy");
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		System.out.println("LoginFilter doFilter");
		// 强转
//		HttpServletRequest httpRequest = (HttpServletRequest) request;
//		HttpServletResponse httpResponse = (HttpServletResponse) response;
		chain.doFilter(request, response);
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		System.out.println("LoginFilter init");
	}

}
